Finding the Fourth Proportional to 1,944,567.29, 2,683,359.13 and 1,128,639.28
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Solution
The fourth proportional to 1,944,567.29, 2,683,359.13 and 1,128,639.28 is: 1,557,438.78
Step by Step Solution
- Step 1: Write the proportion equation
1,944,567.29 : 2,683,359.13 = 1,128,639.28 : x - Step 2: Convert to fraction form
1,944,567.29/2,683,359.13 = 1,128,639.28/x - Step 3: Cross multiply
1,944,567.29x = 2,683,359.13 × 1,128,639.28 - Step 4: Simplify right side
1,944,567.29x = 3,028,544,516,268.26 - Step 5: Solve for x
x = 3,028,544,516,268.26/1,944,567.29 - Step 6: Final answer
x = 1,557,438.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.